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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.3L V6 - VINS [W,Z] (Including SYCLONE) >> Adjustments >> Valve Clearance Adjustment (VIN W)

Valve Clearance Adjustment (VIN W)

No valve adjustment is necessary. This engine has screw-in rocker arm studs with positive stop shoulders. When the valve train requires service, you simply tighten the rocker arm nuts to 20 ft. lbs. (27 N.m).